专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20100084257A1 METHOD FOR THE CONTINUOUS SEPARATION OF MIXTURES COMPRISING MORPHOLINE (MO), MONOAMINODIGLYCOL (ADG), AMMONIA AND WATER BY MEANS OF DISTILLATION 有权
标题翻译：通过蒸馏法连续分离包含摩尔（MO），单胺基（ADG），氨和水的混合物的方法
公开(公告)号：US20100084257A1
公开(公告)日：2010-04-08
申请号：US12443563
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Bussmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Bussmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： C07C213/10 , C07D295/02 , B01D3/14 , C07C217/08
CPC分类号： C07D295/027
摘要： Processes for the continuous fractional distillation of a mixture comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the process comprising: (i) separating off ammonia from the mixture at a top of a first distillation column K10; (ii) feeding a bottom fraction from K10 to a second distillation column K20 in which water and organic products are separated off at the top at a temperature at the top in the range from 45 to 198° C. and a pressure in the range from 0.1 to 15 bar, (iii) feeding a bottom fraction from K20 to a third distillation column K30, wherein the column K30 is a dividing wall column (DWC) which preferably has a dividing wall (DW) in the longitudinal direction of the column to form an upper combined column region (1), a lower combined column region (6), an inflow part (2, 4) having an enrichment section (2) and a stripping section (4), and also an offtake part (3, 5) having an enrichment section (3) and a stripping section (5), with the bottoms from K20 being fed in in the upper or middle third of the inflow part (2, 4), based on the number of theoretical plates of the inflow part, ADG and organic products having a boiling point of >190° C. (1.013 bar) being discharged at the bottom, organic products having a boiling point of ≦128° C. (1.013 bar) being discharged at the top and MO being discharged from the middle or lower third of the offtake part (3, 5) (side offtake), based on the number of theoretical plates of the offtake part.
摘要翻译：用于从二甘醇（DEG）与氨的反应连续分馏含有吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法，该方法包括：（i）在第一蒸馏塔K10顶部; （ii）将底部馏分从K10进料至第二蒸馏塔K20，其中水和有机产物在顶部分离出，顶部温度为45-98℃，压力范围为 0.1至15巴，（iii）从K20向第三蒸馏塔K30供给底部馏分，其中塔K30是分隔壁塔（DWC），其优选在塔的纵向方向上具有分隔壁（DW）至形成上部组合列区域（1），下部组合列区域（6），具有浓缩部分（2）和剥离部分（4）的流入部分（2,4），以及出口部分（3， 5）具有富集部分（3）和汽提部分（5），其中来自K20的底部在流入部分（2,4）的上部或中部三分之一中被输入，基于理论塔板的数量流入部件，ADG和沸点> 190℃（1.013巴）的有机产物在底部排出，有机原料沸点为＆nlE; 128℃（1.013巴）在顶部排出，MO从出料部（3,5）的中部或下部三分之一（出口侧）排出，基于理论板的出口部分。

2. 发明申请

US20050010057A1 Method for the continuous production of n-methyl-2-pyrrolidone (nmp) 有权
标题翻译：连续生产正甲基-2-吡咯烷酮（nmp）的方法
公开(公告)号：US20050010057A1
公开(公告)日：2005-01-13
申请号：US10495358
申请日：2002-11-15
申请人： Martin Rudloff , Peter Stops , Erhard Henkes , Helmut Schmidtke , Rolf-Hartmuth Fischer , Manfred Julius , Rolf Lebkucher , Karl-Heinz Ross
发明人： Martin Rudloff , Peter Stops , Erhard Henkes , Helmut Schmidtke , Rolf-Hartmuth Fischer , Manfred Julius , Rolf Lebkucher , Karl-Heinz Ross
IPC分类号： C07D207/26 , C07D207/267 , C07D207/12
CPC分类号： C07D207/267
摘要： Process for the continuous preparation of N-methyl-2-pyrrolidone (NMP) by reacting gamma-butyrolactone (GBL) with monomethylamine (MMA) in the liquid phase, wherein GBL and MMA are used in a molar ratio of from 1:1.08 to 1:2 and the reaction is carried out at from 320 to 380° C. and an absolute pressure of from 70 to 120 bar.
摘要翻译：通过使γ-丁内酯（GBL）与一甲胺（MMA）在液相中连续制备N-甲基-2-吡咯烷酮（NMP）的方法，其中GBL和MMA的摩尔比为1:1.08至 1：2，反应在320〜380℃，绝对压力为70〜120巴下进行。

3. 发明授权

US08293075B2 Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation 有权
标题翻译：通过蒸馏连续分离含有吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法
公开(公告)号：US08293075B2
公开(公告)日：2012-10-23
申请号：US12443581
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： B01D3/14 , C07D295/02
CPC分类号： C07C213/10 , C07D295/023 , C07C217/08
摘要： Processes for the continuous fractional distillation of a mixture containing morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the process including: (i) separating off ammonia from the mixture at a top of a first distillation column K10; (ii) feeding a bottom fraction from K10 to a second distillation column K20, in which water and an organic product are separated off at the top at a temperature at the top in the range from 45 to 198° C. and a pressure in the range from 0.1 to 15 bar; (iii) feeding a bottom fraction from K20 to a third distillation column K30, wherein the column K30 is a dividing wall column (DWC)which preferably has a dividing wall (DW) in the longitudinal direction of the column to form an upper combined column region (1), a lower combined column region (6), an inflow part (2,4) having an enrichment section (2) and a stripping section (4), and also an offtake part (3,5) having an enrichment section (3) and a stripping section (5), with the bottoms from K20 being fed in in the upper or middle third of the inflow part (2,4), based on the number of theoretical plates of the inflow part, ADG and organic products having a boiling point of >190° C. (1.013 bar) being discharge at the bottom, organic products having a boiling point of ≦128° C. (1.013 bar) being discharge at a top and MO being discharge from the middle or lower third of the offtake part (3,5) (side offtake), based on the number of theoretical plates of the offtake part.
摘要翻译：从二甘醇（DEG）与氨的反应中连续分馏含有吗啉（MO），单胺二甘醇（ADG），氨和水的混合物的方法，该方法包括：（i）在第一蒸馏塔K10顶部; （ii）将底部馏分从K10进料到第二蒸馏塔K20，在第二蒸馏塔K20中，水和有机产物在顶部分离出，顶部温度为45-98℃，压力为范围为0.1至15巴; （iii）从K20向第三蒸馏塔K30供给底部馏分，其中塔K30是分隔壁塔（DWC），其在塔的纵向方向上优选具有分隔壁（DW），以形成上部混合塔区域（1），下部组合柱区域（6），具有浓缩部分（2）和汽提部分（4）的流入部分（2,4），以及具有富集部分（3）和汽提部分（5），其中来自K20的底部基于流入部分的理论塔板的数量，ADG和沸点为> 190℃（1.013巴）的有机产物在底部排出，沸点为＆amp; NlE的有机产物; 128℃（1.013巴）在顶部排出，MO从基于出料部分的理论塔板的数量，出口部分（3,5）（侧面）的中下三分之一。

4. 发明授权

US07825281B2 Method for producing electronic grade 2,2′-aminoethoxyethanol 有权
标题翻译：生产电子级2,2'-氨基乙氧基乙醇的方法
公开(公告)号：US07825281B2
公开(公告)日：2010-11-02
申请号：US12443226
申请日：2007-09-21
申请人： Helmut Schmidtke , Martin Rudloff
发明人： Helmut Schmidtke , Martin Rudloff
IPC分类号： C07C209/16
CPC分类号： C07C213/02 , C07C217/08
摘要： A process for preparing electronics-grade 2,2′-aminoethyoxyethanol by reacting diethylene glycol with ammonia in the presence of a catalyst in a reactor to give a reaction mixture from which a crude 2,2′-aminoethoxyethanol stream is separated off and is purified further by distillation in a pure column, wherein a sidestream comprising electronics-grade 2,2′-aminoethoxyethanol is taken off from the pure column as a result of the diethylene glycol being passed through a filter which ensures a degree of removal of at least 99% for solid particles having a maximum particle size of ≦1.5 μm before the diethylene glycol is fed into the reactor, is proposed.
摘要翻译：一种通过二甘醇与氨在催化剂存在下在反应器中反应制备电子级2,2'-氨基乙氧基乙醇的方法，得到反应混合物，将粗制的2,2'-氨基乙氧基乙醇流从其中分离出并纯化进一步通过在纯柱中蒸馏，其中由于二甘醇通过过滤器，其中包含电子级2,2'-氨基乙氧基乙醇的侧流从纯柱中取出，确保去除程度至少为99 提出了在将二甘醇进料到反应器中之前，具有最大粒径为＆amp; N1的固体颗粒为1.5μm。

5. 发明授权

US07227029B2 Method for the continuous production of N-methyl-2-pyrrolidone (NMP) 有权
标题翻译：连续生产N-甲基-2-吡咯烷酮（NMP）的方法
公开(公告)号：US07227029B2
公开(公告)日：2007-06-05
申请号：US10495358
申请日：2002-11-15
申请人： Martin Rudloff , Peter Stops , Erhard Henkes , Helmut Schmidtke , Rolf-Hartmuth Fischer , Manfred Julius , Rolf Lebkücher , Karl-Heinz Ross
发明人： Martin Rudloff , Peter Stops , Erhard Henkes , Helmut Schmidtke , Rolf-Hartmuth Fischer , Manfred Julius , Rolf Lebkücher , Karl-Heinz Ross
IPC分类号： C07D207/12 , C07D307/20
CPC分类号： C07D207/267
摘要： Process for the continuous preparation of N-methyl-2-pyrrolidone (NMP) by reacting gamma-butyrolactone (GBL) with monomethylamine (MMA) in the liquid phase, wherein GBL and MMA are used in a molar ratio of from 1:1.08 to 1:2 and the reaction is carried out at from 320 to 380° C. and an absolute pressure of from 70 to 120 bar.
摘要翻译：通过使γ-丁内酯（GBL）与一甲胺（MMA）在液相中连续制备N-甲基-2-吡咯烷酮（NMP）的方法，其中GBL和MMA的摩尔比为1:1.08至 1：2，反应在320〜380℃，绝对压力为70〜120巴下进行。

6. 发明授权

US08246793B2 Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation 有权
标题翻译：通过蒸馏法连续分离包含吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法
公开(公告)号：US08246793B2
公开(公告)日：2012-08-21
申请号：US12443563
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： B01D3/14 , C07D295/02
CPC分类号： C07D295/027
摘要： Processes for the continuous fractional distillation of a mixture comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the process comprising: (i) separating off ammonia from the mixture at a top of a first distillation column K10; (ii) feeding a bottom fraction from the first distillation column to a second distillation column K20, wherein water and an organic product are separated off at a top of the second distillation column at a top temperature of 45 to 198° C. and a pressure in the range from 0.1 to 15 bar; (iii) feeding a bottom fraction from the second distillation column to a third distillation column K30, wherein morpholine and an organic product having a boiling point of 190° C. (1.013 bar) are separated off at a bottom of the third distillation column, and (iv) feeding the morpholine-comprising stream from the third distillation column to a fourth column K40, wherein morpholine is separated off at a side offtake of the fourth column, an organic product having a boiling point of ≦128° C. (1.013 bar) is separated off at a top of the fourth distillation column and an organic product having a boiling point of ≧128° C. (1.013 bar) is separated off at a bottom of the fourth distillation column.
摘要翻译：用于从二甘醇（DEG）与氨的反应连续分馏含有吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法，该方法包括：（i）在第一蒸馏塔K10顶部; （ii）将底部馏分从第一蒸馏塔进料到第二蒸馏塔K20，其中在顶部温度为45至198℃的温度下，在第二蒸馏塔的顶部分离出水和有机产物，并将压力在0.1至15巴的范围内; （iii）将第二蒸馏塔的塔底馏分进料到第三蒸馏塔K30，其中将吗啉和沸点<140℃（1.013巴）的有机产物在选自顶部和在第三蒸馏塔的底部分离出第三蒸馏塔的侧馏分和单胺二醇和沸点> 190℃（1.013巴）的有机产物，和（iv）将含吗啉从第三蒸馏塔到第四塔K40的流，其中吗啉在第四塔的出口侧分离出，沸点为＆amp; NlE的有机产物为128℃（1.013巴）在顶部分离的第四蒸馏塔和沸点为≧128℃的有机产物（1.013巴）在第四蒸馏塔的底部分离。

7. 发明授权

US08197646B2 Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water 有权
$Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water$
标题翻译：用于连续分馏含有吗啉，单氨基二甘醇，氨和水的混合物的方法
公开(公告)号：US08197646B2
公开(公告)日：2012-06-12
申请号：US12443573
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Buβmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： B01D3/14 , C07D295/02
CPC分类号： C07D295/027 , Y10S203/20
摘要： Process for the continuous fractional distillation of mixtures including morpholine (MO), monoaminodiglycol (ADG), ammonia and water obtained by reaction of diethylene glycol (DEG) with ammonia, which includes separating off ammonia at the top of a first distillation column K10, feeding the bottoms from K10 to a second distillation column K20 in which water and organic products are separated off at the top at a temperature at the top in the range from 45 to 198° C. and a pressure in the range from 0.1 to 15 bar, feeding the bottoms from K20 to a third distillation column K30 in which MO and organic products having a boiling point of 190° C. (1.013 bar) are separated off at the bottom, feeding the MO including stream which is separated off at the top or at a side offtake of the column K30 to a fourth column K40 in which organic products having a boiling point of ≦128° C. (1.013 bar) are separated off at the top and MO and organic products having a boiling point of ≧128° C. (1.013 bar) are separated off at the bottom and the bottoms from K40 are fed to a fifth distillation column K55 in which MO is separated off at the top and organic products having a boiling point of ≧128° C. (1.013 bar) are separated off at the bottom.
摘要翻译：用于连续分馏包括吗啉（MO），单氨基二甘醇（ADG），氨和二乙二醇（DEG）与氨反应得到的水的混合物的方法，其包括在第一蒸馏塔K10的顶部分离出氨，从K10到第二蒸馏塔K20的底部，其中水和有机产物在顶部的温度在45至198℃的范围内分离，压力在0.1至15巴的范围内，将塔底物从K20进料到第三蒸馏塔K30，其中MO和沸点<140℃（1.013巴）的有机产物在顶部或侧面被分离出来，ADG和具有沸点的有机产物在底部分离> 190℃（1.013巴）的点，将包含在柱K30的顶部或侧面分离出的MO的MO进料到第四塔K40，其中有机产物具有沸点从顶部分离出128℃（1.013巴），在底部分离出MO和沸点为128℃（1.013巴）的有机产物，将来自K40的底部进料至其中MO在顶部分离出的第五个蒸馏塔K55和沸点为≧128℃（1.013巴）的有机产物在底部分离。

8. 发明申请

US20120024689A1 METHOD FOR THE CONTINUOUS SEPARATION OF MIXTURES COMPRISING MORPHONLINE (MO), MONOAMINODIGLYCOL (ADG), AMMONIA AND WATER BY MEANS OF DISTILLATION 有权
标题翻译：通过蒸馏法连续分离含有摩尔（MO），单胺基（ADG），氨和水的混合物的方法
公开(公告)号：US20120024689A1
公开(公告)日：2012-02-02
申请号：US12443581
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Bußmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Bußmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： B01D3/34 , B01D3/14
CPC分类号： C07C213/10 , C07D295/023 , C07C217/08
摘要： Processes for the continuous fractional distillation of a mixture comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the process comprising: (i) separating off ammonia from the mixture at a top of a first distillation column K10; (ii) feeding a bottom fraction from the first distillation column to a second distillation column K20, wherein water and an organic product are separated off at a top of the second distillation column at a top temperature of 45 to 198° C. and a pressure in the range from 0.1 to 15 bar; (iii) feeding a bottom fraction from the second distillation column to a third distillation column K30, wherein morpholine and an organic product having a boiling point of 190° C. (1.013 bar) are separated off at a bottom of the third ditillation column, and (iv) feeding the morpholine-comprising stream from the third distillation column to a fourth column K40, wherein morpholine is separated off at a side offtake of the fourth column, an organic product having a boiling point of ≦128° C. (1.013 bar) is separated off at a top of the fourth distillation column and an organic product having a boiling point of ≧128° C. (1.013 bar) is separated off at a bottom of the fourth distillation column.
摘要翻译：用于从二甘醇（DEG）与氨的反应连续分馏含有吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法，该方法包括：（i）在第一蒸馏塔K10顶部; （ii）将底部馏分从第一蒸馏塔进料到第二蒸馏塔K20，其中在顶部温度为45至198℃的温度下，在第二蒸馏塔的顶部分离出水和有机产物，并将压力在0.1至15巴的范围内; （iii）将第二蒸馏塔的塔底馏分进料到第三蒸馏塔K30，其中将吗啉和沸点<140℃（1.013巴）的有机产物在选自顶部和在第三蒸馏塔的底部分离出第三蒸馏塔的侧馏分和单胺二醇和沸点> 190℃（1.013巴）的有机产物，（iv）将含吗啉从第三蒸馏塔到第四塔K40的流，其中吗啉在第四塔的出口侧分离出，沸点为＆amp; NlE的有机产物为128℃（1.013巴）在顶部分离的第四蒸馏塔和沸点为≧128℃的有机产物（1.013巴）在第四蒸馏塔的底部分离。

9. 发明申请

US20100084258A1 METHOD FOR THE CONTINUOUS SEPARATION OF MIXTURES COMPRISING MORPHOLINE (MO), MONOAMINODIGLYCOL (ADG), AMMONIA AND WATER BY MEANS OF DISTILLATION 有权
标题翻译：通过蒸馏法连续分离包含摩尔（MO），单胺基（ADG），氨和水的混合物的方法
公开(公告)号：US20100084258A1
公开(公告)日：2010-04-08
申请号：US12443573
申请日：2007-09-12
申请人： Helmut Schmidtke , Oliver Bussmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
发明人： Helmut Schmidtke , Oliver Bussmann , Ralph Versch , Udo Rheude , Uwe Leyk , Manfred Julius , Martin Rudloff , Erhard Henkes
IPC分类号： B01D3/14
CPC分类号： C07D295/027 , Y10S203/20
摘要： Processes for the continuous fractional distillation of a mixture comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the processes comprising: (i) separating off ammonia from the mixture at a top of a first distillation column K10; (ii) feeding a bottom fraction from K10 to a second distillation column K20 in which water and organic products are separated off at the top at a temperature at the top in the range from 45 to 198° C. and a pressure in the range from 0.1 to 15 bar; (iii) feeding a bottom fraction from K20 to a third distillation column K30 in which MO and organic products having a boiling point of 190° C. (1.013 bar) are separated off at the bottom, and (iv) feeding the MO-comprising stream which is separated off at the top or at a side offtake of the column K30 to a fourth column K40 in which organic products having a boiling point of ≦128° C. (1.013 bar) are separated off at the top and MO and organic products having a boiling point of ≧128° C. (1.013 bar) are separated off at the bottom and the bottoms from K40 are fed to a fifth distillation column K55 in which MO is separated off at the top and organic products having a boiling point of ≧128° C. (1.013 bar) are separated off at the bottom.
摘要翻译：由二甘醇（DEG）与氨的反应连续分馏含有吗啉（MO），单氨基二甘醇（ADG），氨和水的混合物的方法，该方法包括：（i）在第一蒸馏塔K10顶部; （ii）将底部馏分从K10进料至第二蒸馏塔K20，其中水和有机产物在顶部分离出，顶部温度为45-98℃，压力范围为 0.1至15巴; （iii）从K20向第三蒸馏塔K30供应底部馏分，其中MO和沸点<140℃（1.013巴）的有机产物在顶部或侧面被分离，并且ADG和有机物沸点> 190℃（1.013巴）的产物在底部被分离，并且（iv）将在柱K30的顶部或侧面分离出的含MO的料流送入到第四列K40，其中沸点为＆nlE的有机产物为128℃（1.013巴），顶部分离出MO，沸点为≧128℃（1.013巴）的有机产物被分离出在底部，将来自K40的塔底物进料至第五蒸馏塔K55，其中MO在顶部被分离出，沸点为128℃（1.013巴）的有机产物在底部被分离开。

10. 发明申请

US20100029989A1 METHOD FOR PRODUCING ELECTRONIC GRADE 2,2'-AMINOETHOXYETHANOL 有权
标题翻译：生产电子等级的2,2'-氨基乙醇胺的方法
公开(公告)号：US20100029989A1
公开(公告)日：2010-02-04
申请号：US12443226
申请日：2007-09-21
申请人： Helmut Schmidtke , Martin Rudloff
发明人： Helmut Schmidtke , Martin Rudloff
IPC分类号： C07C209/02
CPC分类号： C07C213/02 , C07C217/08
摘要： A process for preparing electronics-grade 2,2′-aminoethyoxyethanol by reacting diethylene glycol with ammonia in the presence of a catalyst in a reactor to give a reaction mixture from which a crude 2,2′-aminoethoxyethanol stream is separated off and is purified further by distillation in a pure column, wherein a sidestream comprising electronics-grade 2,2′-aminoethoxyethanol is taken off from the pure column as a result of the diethylene glycol being passed through a filter which ensures a degree of removal of at least 99% for solid particles having a maximum particle size of ≦1.5 μm before the diethylene glycol is fed into the reactor, is proposed.
摘要翻译：一种通过二甘醇与氨在催化剂存在下在反应器中反应制备电子级2,2'-氨基乙氧基乙醇的方法，得到反应混合物，将粗制的2,2'-氨基乙氧基乙醇流从其中分离出并纯化进一步通过在纯柱中蒸馏，其中由于二甘醇通过过滤器，其中包含电子级2,2'-氨基乙氧基乙醇的侧流从纯柱中取出，确保去除程度至少为99 提出在将二甘醇进料到反应器中之前，具有最大粒径<=1.5μm的固体颗粒的％。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式